From d63dea93c52cab59b926e12daa2de36cdb1d4e3c Mon Sep 17 00:00:00 2001
From: 8chan <admin@8chan.co>
Date: Wed, 24 Dec 2014 06:14:04 -0800
Subject: [PATCH] Remove links from ban list

---
 inc/bans.php              | 11 +++++++++++
 tools/hide_bans_links.php | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 tools/hide_bans_links.php

diff --git a/inc/bans.php b/inc/bans.php
index 215ff279..fed34938 100644
--- a/inc/bans.php
+++ b/inc/bans.php
@@ -322,6 +322,17 @@ class Bans {
 		
 		if ($post) {
 			$post['board'] = $board['uri'];
+			$match_urls = '(?xi)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))';
+
+			$matched = array();
+
+			preg_match_all("#$match_urls#im", $post['body_nomarkup'], $matched);
+
+			if (isset($matched[0]) && $matched[0]) {
+				$post['body'] = str_replace($matched[0], '###Link-Removed###', $post['body']);
+				$post['body_nomarkup'] = str_replace($matched[0], '###Link-Removed###', $post['body_nomarkup']);
+			}
+
 			$query->bindValue(':post', json_encode($post));
 		} else
 			$query->bindValue(':post', null, PDO::PARAM_NULL);
diff --git a/tools/hide_bans_links.php b/tools/hide_bans_links.php
new file mode 100644
index 00000000..5a8e02a6
--- /dev/null
+++ b/tools/hide_bans_links.php
@@ -0,0 +1,34 @@
+<?php
+require dirname(__FILE__) . '/inc/cli.php';
+
+$query = prepare('SELECT * FROM bans');
+$query->execute() or error(db_error($query));
+$num_bans = $query->rowCount();
+$iter = 0;
+
+while ($ban = $query->fetch(PDO::FETCH_ASSOC)) {
+	$iter++;
+
+	if (!$ban['post'])
+		continue;
+
+	$match_urls = '(?xi)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))';
+
+	$matched = array();
+
+	$post = json_decode($ban['post']);
+
+	preg_match_all("#$match_urls#im", $post->body_nomarkup, $matched);
+
+	if (!isset($matched[0]) || !$matched[0])
+		continue;
+
+	$post->body = str_replace($matched[0], '###Link-Removed###', $post->body);
+	$post->body_nomarkup = str_replace($matched[0], '###Link-Removed###', $post->body_nomarkup);
+
+	$update = prepare('UPDATE ``bans`` SET `post` = :post WHERE `id` = :id');
+	$update->bindValue(':post', json_encode($post)); 
+	$update->bindValue(':id', $ban['id']); 
+	$update->execute() or error(db_error($update));
+	echo "Processed $iter/$num_bans\n";
+}